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English-Thai Dictionary

trihedral

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Webster's 1828 Dictionary

TRIHEDRAL

a.[See Trihedron. ] Having three equal sides.

Webster's 1913 Dictionary

TRIHEDRAL

Tri *he "dral, a. Etym: [See Trihedron. ] (Geom.)

Defn: Having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. [Written also triedral. ]

New American Oxford Dictionary

trihedral

tri he dral |trīˈhēdrəl traɪˈhidrəl | ▶adjective (of a solid figure or body ) having three sides or faces (in addition to the base or ends ); triangular in cross section. ▶noun a trihedral figure. ORIGIN late 18th cent.: from Greek tri- ‘three ’ + hedra ‘base ’ + -al .

Oxford Dictionary

trihedral

trihedral |trʌɪˈhiːdr (ə )l, -ˈhɛdr (ə )l | ▶adjective (of a solid figure or body ) having three sides or faces (in addition to the base or ends ); triangular in cross section. ▶noun a trihedral figure. ORIGIN late 18th cent.: from Greek tri- ‘three ’ + hedra ‘base ’ + -al .